Your audio sound has a crackling problem. It cracks, skips, pops and makes noises on audio files. You cannot enjoy listening to sound anymore. It seems like you can not solve
this problem by uninstalling and installing the drivers. A bios update and any other refreshing solutions didn't help.
Tags: Latitude D6400 D6500 Vista, Sound, music, video problem, lagging, popping, noise, crack, cracking, crackling, distortion, distort, noise, noising, hissing, soundcard, Audio Quality, MP3, Audio Driver,